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Resistencia a cortante de elementos compuestos por vigas pretensadas y una losa de hormigón armado

Shear strength of members composed by prestressed concrete beams and a reinforced concrete top slab
Authors: Marí Bernat, Antonio Ricardo; Poliotti, Mauro; Oller Ibars, Eva; Gómez Navarro, Laura; ORTIZ CONTRERAS, Luis Jorge;

Resistencia a cortante de elementos compuestos por vigas pretensadas y una losa de hormigón armado

Abstract

Se presenta un modelo de resistencia a cortante de elementos compuestos por vigas armadas o pretensadas y losa superior de hormigón armado, ejecutadas en dos fases y conectadas mediante armadura. A pesar de su frecuente uso en puentes y forjados de edificios, las normativas no contemplan su resistencia a cortante vertical como pieza compuesta, centrándose en la resistencia a rasante en la junta. El modelo, derivado del Compression Chord Capacity Model, considera el estado previo de tensiones en la viga debido al pretensado y a las fases constructivas, y se ha aplicado a la predicción de los resultados de ensayos, habiendo encontrado buena aproximación en aquellos casos en que no hay rotura de la junta.

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Spain
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Keywords

Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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